답안 #716941

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
716941	2023-03-31T12:57:37 Z	Stickfish	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	337 ms	16480 KB

skyscraper

#include <iostream>
#include <vector>
#include <queue>
#include <set>
#include <algorithm>
#include <bitset>
using namespace std;

const int MAXN = 30100;
const int SQN = 40;
const int INF = 1e9 + 177013;
pair<int, int> dogs[MAXN];
vector<int> jlen[MAXN];

bitset<MAXN> used;
int dist[MAXN][SQN];

void update(int i, int p, int d, set<pair<int, pair<int, int>>>& rdist) {
    if (dist[i][p] > d) {
        dist[i][p] = d;
        rdist.insert({d, {i, p}});
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < m; ++i) {
        cin >> dogs[i].first >> dogs[i].second;
        jlen[dogs[i].first].push_back(dogs[i].second);
    }
    int s = dogs[0].first;
    int t = dogs[1].first;
    for (int i = 0; i < n; ++i) {
        for (int d = 0; d < SQN; ++d) {
            dist[i][d] = INF;
        }
    }
    dist[s][0] = 0;
    set<pair<int, pair<int, int>>> rdist;
    rdist.insert({0, {s, 0}});
    while (rdist.size()) {
        auto [d, ip] = *rdist.begin();
        auto [i, p] = ip;
        rdist.erase(rdist.begin());
        if (dist[i][p] < d)
            continue;
        update(i, 0, d, rdist);
        if (p == 0) {
            for (auto np : jlen[i]) {
                if (np < SQN) {
                    update(i, np, d, rdist);
                    continue;
                }
                for (int j = i % np; j < n; j += np) {
                    update(j, 0, d + abs(i - j) / np, rdist);
                }
            }
        } else {
            if (i >= p)
                update(i - p, p, d + 1, rdist);
            if (i + p < n)
                update(i + p, p, d + 1, rdist);
        }
    }
    if (dist[t][0] >= INF)
        cout << "-1\n";
    else
        cout << dist[t][0] << '\n';
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1032 KB	Output is correct
2	Correct	1 ms	980 KB	Output is correct
3	Correct	1 ms	980 KB	Output is correct
4	Correct	1 ms	1032 KB	Output is correct
5	Correct	1 ms	1036 KB	Output is correct
6	Correct	1 ms	980 KB	Output is correct
7	Correct	1 ms	980 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	980 KB	Output is correct
2	Correct	1 ms	980 KB	Output is correct
3	Correct	1 ms	980 KB	Output is correct
4	Correct	1 ms	1032 KB	Output is correct
5	Correct	1 ms	980 KB	Output is correct
6	Correct	1 ms	980 KB	Output is correct
7	Correct	2 ms	980 KB	Output is correct
8	Correct	1 ms	980 KB	Output is correct
9	Correct	1 ms	980 KB	Output is correct
10	Correct	1 ms	980 KB	Output is correct
11	Correct	2 ms	1108 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	980 KB	Output is correct
14	Correct	2 ms	1108 KB	Output is correct
15	Correct	2 ms	1048 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1032 KB	Output is correct
2	Correct	1 ms	980 KB	Output is correct
3	Correct	1 ms	1032 KB	Output is correct
4	Correct	1 ms	980 KB	Output is correct
5	Correct	1 ms	980 KB	Output is correct
6	Correct	1 ms	980 KB	Output is correct
7	Correct	1 ms	1036 KB	Output is correct
8	Correct	1 ms	980 KB	Output is correct
9	Correct	1 ms	980 KB	Output is correct
10	Correct	1 ms	1036 KB	Output is correct
11	Correct	2 ms	1108 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	1044 KB	Output is correct
14	Correct	2 ms	1108 KB	Output is correct
15	Correct	2 ms	1108 KB	Output is correct
16	Correct	1 ms	980 KB	Output is correct
17	Correct	3 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct
19	Correct	1 ms	1364 KB	Output is correct
20	Correct	2 ms	1364 KB	Output is correct
21	Correct	1 ms	1108 KB	Output is correct
22	Correct	1 ms	1236 KB	Output is correct
23	Correct	2 ms	1236 KB	Output is correct
24	Correct	3 ms	1428 KB	Output is correct
25	Correct	3 ms	1496 KB	Output is correct
26	Correct	2 ms	1304 KB	Output is correct
27	Correct	2 ms	1364 KB	Output is correct
28	Correct	3 ms	1344 KB	Output is correct
29	Correct	9 ms	1492 KB	Output is correct
30	Correct	3 ms	1288 KB	Output is correct
31	Correct	5 ms	1428 KB	Output is correct
32	Correct	2 ms	1492 KB	Output is correct
33	Correct	12 ms	1808 KB	Output is correct
34	Correct	11 ms	1804 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1036 KB	Output is correct
2	Correct	1 ms	980 KB	Output is correct
3	Correct	1 ms	1040 KB	Output is correct
4	Correct	1 ms	980 KB	Output is correct
5	Correct	2 ms	980 KB	Output is correct
6	Correct	1 ms	980 KB	Output is correct
7	Correct	1 ms	980 KB	Output is correct
8	Correct	1 ms	980 KB	Output is correct
9	Correct	1 ms	1040 KB	Output is correct
10	Correct	1 ms	980 KB	Output is correct
11	Correct	2 ms	1108 KB	Output is correct
12	Correct	1 ms	980 KB	Output is correct
13	Correct	1 ms	1044 KB	Output is correct
14	Correct	2 ms	1108 KB	Output is correct
15	Correct	2 ms	1108 KB	Output is correct
16	Correct	1 ms	1040 KB	Output is correct
17	Correct	3 ms	1236 KB	Output is correct
18	Correct	1 ms	1236 KB	Output is correct
19	Correct	1 ms	1364 KB	Output is correct
20	Correct	2 ms	1364 KB	Output is correct
21	Correct	1 ms	1036 KB	Output is correct
22	Correct	2 ms	1236 KB	Output is correct
23	Correct	2 ms	1304 KB	Output is correct
24	Correct	3 ms	1472 KB	Output is correct
25	Correct	2 ms	1304 KB	Output is correct
26	Correct	2 ms	1364 KB	Output is correct
27	Correct	2 ms	1364 KB	Output is correct
28	Correct	2 ms	1364 KB	Output is correct
29	Correct	10 ms	1528 KB	Output is correct
30	Correct	3 ms	1364 KB	Output is correct
31	Correct	4 ms	1492 KB	Output is correct
32	Correct	2 ms	1492 KB	Output is correct
33	Correct	12 ms	1808 KB	Output is correct
34	Correct	12 ms	1748 KB	Output is correct
35	Correct	12 ms	2004 KB	Output is correct
36	Correct	3 ms	1364 KB	Output is correct
37	Correct	14 ms	2004 KB	Output is correct
38	Correct	15 ms	2292 KB	Output is correct
39	Correct	15 ms	2208 KB	Output is correct
40	Correct	19 ms	2260 KB	Output is correct
41	Correct	16 ms	2240 KB	Output is correct
42	Correct	7 ms	2004 KB	Output is correct
43	Correct	5 ms	2004 KB	Output is correct
44	Correct	5 ms	2004 KB	Output is correct
45	Correct	17 ms	2260 KB	Output is correct
46	Correct	17 ms	2324 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	980 KB	Output is correct
2	Correct	1 ms	980 KB	Output is correct
3	Correct	1 ms	980 KB	Output is correct
4	Correct	1 ms	980 KB	Output is correct
5	Correct	1 ms	980 KB	Output is correct
6	Correct	1 ms	980 KB	Output is correct
7	Correct	1 ms	1032 KB	Output is correct
8	Correct	1 ms	980 KB	Output is correct
9	Correct	1 ms	980 KB	Output is correct
10	Correct	1 ms	1036 KB	Output is correct
11	Correct	2 ms	1108 KB	Output is correct
12	Correct	2 ms	980 KB	Output is correct
13	Correct	1 ms	980 KB	Output is correct
14	Correct	2 ms	1044 KB	Output is correct
15	Correct	2 ms	1056 KB	Output is correct
16	Correct	1 ms	1044 KB	Output is correct
17	Correct	3 ms	1236 KB	Output is correct
18	Correct	1 ms	1308 KB	Output is correct
19	Correct	2 ms	1372 KB	Output is correct
20	Correct	3 ms	1372 KB	Output is correct
21	Correct	1 ms	1116 KB	Output is correct
22	Correct	1 ms	1244 KB	Output is correct
23	Correct	2 ms	1244 KB	Output is correct
24	Correct	3 ms	1432 KB	Output is correct
25	Correct	2 ms	1368 KB	Output is correct
26	Correct	2 ms	1364 KB	Output is correct
27	Correct	2 ms	1364 KB	Output is correct
28	Correct	2 ms	1364 KB	Output is correct
29	Correct	10 ms	1424 KB	Output is correct
30	Correct	3 ms	1376 KB	Output is correct
31	Correct	5 ms	1504 KB	Output is correct
32	Correct	2 ms	1504 KB	Output is correct
33	Correct	13 ms	1816 KB	Output is correct
34	Correct	13 ms	1820 KB	Output is correct
35	Correct	11 ms	2016 KB	Output is correct
36	Correct	3 ms	1320 KB	Output is correct
37	Correct	20 ms	2052 KB	Output is correct
38	Correct	19 ms	2228 KB	Output is correct
39	Correct	22 ms	2272 KB	Output is correct
40	Correct	16 ms	2304 KB	Output is correct
41	Correct	20 ms	2272 KB	Output is correct
42	Correct	6 ms	2016 KB	Output is correct
43	Correct	5 ms	1972 KB	Output is correct
44	Correct	5 ms	2016 KB	Output is correct
45	Correct	18 ms	2272 KB	Output is correct
46	Correct	18 ms	2272 KB	Output is correct
47	Correct	57 ms	5344 KB	Output is correct
48	Correct	8 ms	5452 KB	Output is correct
49	Correct	8 ms	5796 KB	Output is correct
50	Correct	7 ms	6052 KB	Output is correct
51	Correct	54 ms	8672 KB	Output is correct
52	Correct	52 ms	8704 KB	Output is correct
53	Correct	19 ms	6892 KB	Output is correct
54	Correct	5 ms	5728 KB	Output is correct
55	Correct	7 ms	5728 KB	Output is correct
56	Correct	14 ms	7136 KB	Output is correct
57	Correct	100 ms	8756 KB	Output is correct
58	Correct	13 ms	6228 KB	Output is correct
59	Correct	15 ms	6356 KB	Output is correct
60	Correct	15 ms	6420 KB	Output is correct
61	Correct	16 ms	6356 KB	Output is correct
62	Correct	28 ms	7300 KB	Output is correct
63	Correct	82 ms	12680 KB	Output is correct
64	Correct	68 ms	12944 KB	Output is correct
65	Correct	79 ms	14644 KB	Output is correct
66	Correct	224 ms	16332 KB	Output is correct
67	Correct	337 ms	16480 KB	Output is correct

답안 #716941

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0